Oakley O Frame 2.0 Pro MTB Goggles - One Size Fits Most - Futuro - Lite Grey Out of Stock The 23mm internal width means

The 23mm internal width means they are perfect for tyres between 1

The light comes equipped with a handlebar mount and a GoPro adaptor out of the box

6 x Steel Set Screws 3/16” for larger diameter bar

Mounting style: The plug fits inside your handlebars and the nylon expanding wedge holds it securely in place

Oakley O Frame 2.0 Pro MTB Goggles - One Size Fits Most - Futuro - Lite Grey Out of Stock The 23mm internal width meansAs an evolution of the legendary O Frame goggle, the O Frame 2. 0 PRO family has Oakley DNA pumping through every vein. The O Frame 2. 0 PRO MTB extends the O Frame 2. 0 PRO style and performance to a mid sized fit, but there is nothing medium about it. The large lens with streamlined frame geometry expands peripheral view in every direction. Flexible O Matter frame optimized for comfort, fit and maximized peripheral view Triple layer face foam fleece